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Science Vocab 1
Matter Vocabulary
Term | Definition |
---|---|
Matter | anything that takes up space and has mass |
Element | material that cannot be broken down into anything simpler |
Atom | the smallest unit of an element that retains the properties of that element |
Nucleus | the center of an atom; the center includes protons and neutrons |
Protons | found in the nucleus; positive charge |
Neutrons | found in the nucleus; no charge |
Electrons | found outside the nucleus; negative charge |
Molecules | particles with more then one atom joined together |